Which of the following is an ore of mercury?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer:
Option 3 (Cinnabar)
Explanation:
Cinnabar is the most important and primary ore of mercury. Its chemical formula is HgS (mercuric sulfide). It is typically red in color and is the main source of mercury extraction worldwide. Mercury is obtained by heating cinnabar.
Additional Facts:
Mercury: It is the only metal that remains in a liquid state at room temperature.
Bauxite (Option 1): It is the main ore of aluminum.
Magnetite (Option 2): It is an important magnetic ore of iron.
Malechite (Option 4): It is an important ore of copper, known for its green color.
Possible Questions for the Upcoming Exam:
Which metal is used in thermometers?
(Answer: Mercury)
What is a mixture of mercury and other metals called?
(Answer: Amalgam)
What is the chemical formula of cinnabar?
(Answer: HgS)